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3886959
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Patent number 3,886,959
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Issue date Jun 3, 1975
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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3884263
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Patent number 3,884,263
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Issue date May 20, 1975
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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3724636
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Patent number 3,724,636
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Issue date Apr 3, 1973
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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3530864
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Patent number 3,530,864
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Issue date Sep 29, 1970
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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2585697
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Patent number 2,585,697
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Issue date Feb 12, 1952
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL